.massseo_why_wrap{
   background:#e6e7e7;
   float:left;
   width:100%;
   height:119px;
}
.massseo_why_inner{
   margin:0 auto;
   height:100%;
}
.massseo_why_title{
   float:left;
   width:180px;
   height:94px;
   padding-top:25px;
   font-size: 24px;
   color:#585858;
}
.massseo_why_title span{
   font-size: 26px;
}
.massseo_because_big{
   background: url('../img/because.jpg') no-repeat;
   float:right;
   height:119px;
   width:766px;
   height:117px;
}
.massseo_because_big li{
   float:left;
   width:128px;
   height:117px;
   line-height: 203px;
   text-align: center;
   color:#fff;
   font-size:12px;
}